arm64: marvell: dts: enable the crypto engine on the Armada 8040 DB

Enable the cryptographic engine available in the CP110 master on the
Armada 8040 DB. Do not enable the one in the CP110 salve for now, as we
do not support multiple cryptographic engines yet.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>